The system was working for a long time with no problem. Yesterday I came to a crash and this message in the log. I upgraded from 2.4.3 to 2.4.5 to see if that mitigated, but not, still happening.

It's a 4 machines shard environment with no replication. 3 Configs.

0xdd9e31 0x921161 0x92123b 0x9212b2 0x9213e3 0x921450 0x91ae8a 0x80022b 0x9d3ae3 0x9db144 0x9dcdcc 0xac35ff 0xac4092 0xac44e1 0xa8c1d3 0xa8fe67 0x9f2ff8 0x9f8588 0x6e8b68 0xdc659e
/usr/bin/mongod(_ZN5mongo15printStackTraceERSo+0x21) [0xdd9e31]
/usr/bin/mongod(_ZN5mongo3dur9CommitJob4noteEPvi+0x201) [0x921161]
/usr/bin/mongod(_ZN5mongo3dur18ThreadLocalIntents8_unspoolEv+0x4b) [0x92123b]
/usr/bin/mongod(_ZN5mongo3dur18ThreadLocalIntents7unspoolEv+0x52) [0x9212b2]
/usr/bin/mongod(_ZN5mongo3dur18ThreadLocalIntents4pushERKNS0_11WriteIntentE+0x83) [0x9213e3]
/usr/bin/mongod(_ZN5mongo3dur11DurableImpl18declareWriteIntentEPvj+0x60) [0x921450]
/usr/bin/mongod(_ZN5mongo3dur11DurableImpl10writingPtrEPvj+0xa) [0x91ae8a]
/usr/bin/mongod(ZNK5mongo11BtreeBucketINS_12BtreeData_V1EE7unindexENS_7DiskLocERNS_12IndexDetailsERKNS_7BSONObjES3+0x68b) [0x80022b]
/usr/bin/mongod(ZNK5mongo18IndexInterfaceImplINS_12BtreeData_V1EE7unindexENS_7DiskLocERNS_12IndexDetailsERKNS_7BSONObjES3+0x63) [0x9d3ae3]
/usr/bin/mongod() [0x9db144]
/usr/bin/mongod(_ZN5mongo13unindexRecordEPNS_16NamespaceDetailsEPNS_6RecordERKNS_7DiskLocEb+0x7c) [0x9dcdcc]
/usr/bin/mongod(_ZN5mongo11DataFileMgr12deleteRecordEPNS_16NamespaceDetailsEPKcPNS_6RecordERKNS_7DiskLocEbbb+0x1bf) [0xac35ff]
/usr/bin/mongod(_ZN5mongo11DataFileMgr12deleteRecordEPKcPNS_6RecordERKNS_7DiskLocEbbb+0x82) [0xac4092]
/usr/bin/mongod(_ZN5mongo11DataFileMgr12updateRecordEPKcPNS_16NamespaceDetailsEPNS_25NamespaceDetailsTransientEPNS_6RecordERKNS_7DiskLocES2_iRNS_7OpDebugEb+0x421) [0xac44e1]
/usr/bin/mongod(_ZN5mongo14_updateObjectsEbPKcRKNS_7BSONObjES4_bbbRNS_7OpDebugEPNS_11RemoveSaverEbRKNS_24QueryPlanSelectionPolicyEb+0x1403) [0xa8c1d3]
/usr/bin/mongod(_ZN5mongo13updateObjectsEPKcRKNS_7BSONObjES4_bbbRNS_7OpDebugEbRKNS_24QueryPlanSelectionPolicyE+0xb7) [0xa8fe67]
/usr/bin/mongod(_ZN5mongo14receivedUpdateERNS_7MessageERNS_5CurOpE+0x4d8) [0x9f2ff8]
/usr/bin/mongod(_ZN5mongo16assembleResponseERNS_7MessageERNS_10DbResponseERKNS_11HostAndPortE+0xac8) [0x9f8588]
/usr/bin/mongod(_ZN5mongo16MyMessageHandler7processERNS_7MessageEPNS_21AbstractMessagingPortEPNS_9LastErrorE+0x98) [0x6e8b68]
/usr/bin/mongod(_ZN5mongo17PortMessageServer17handleIncomingMsgEPv+0x42e) [0xdc659e]
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.31MB
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.318MB
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.326MB
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.335MB
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.343MB
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.351MB
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.359MB
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.367MB
Thu Jul 18 18:52:51.277 [conn24] warning: DR102 too much data written uncommitted 315.376MB